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121
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123
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124Published in Revista Panamericana de Salud Pública (1998)Get access
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125
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126Published in Revista Panamericana de Salud PúblicaGet access
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127Published in Revista Panamericana de Salud PúblicaGet access
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128
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129
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130Published in Revista Panamericana de Salud Pública (2000)Get access
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131
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132Published in Revista Panamericana de Salud PúblicaGet access
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133Published in Revista Panamericana de Salud PúblicaGet access
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134Published in Revista Panamericana de Salud PúblicaGet access
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139
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140Published in Revista Panamericana de Salud Pública (2001)Get access
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